发明名称 |
Negatively chargeable magnetic pigmentary powder or toner |
摘要 |
The following are claimed: (1) A magnetic pigmentary powder (I) comprising a resin binder and spherical magnetic particles (II) have a density after stacking of 1.2-2.5 g/c.c and linseed oil absorption of 5-30, pref. 10-25, esp. 12-18 ml/100g; (2) a one-component developer which is negatively chargeable, comprising (i) the above (I) also including a negative charge adjusting agent and (ii) a fine hydropholic silica powder, and (3) an image-formation process using the above developer.
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申请公布号 |
DE3844968(C2) |
申请公布日期 |
2002.05.08 |
申请号 |
DE19883844968 |
申请日期 |
1988.09.09 |
申请人 |
CANON K.K., TOKIO/TOKYO |
发明人 |
KURIBAYASHI, TETSUYA;UCHIDE, HITOSHI |
分类号 |
G03G9/083;(IPC1-7):G03G9/083;G03G13/08 |
主分类号 |
G03G9/083 |
代理机构 |
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